masaki is convinced that there are more japanese remains here. >> translator: i waited for this opportunity for a long time. my wish has finally been fulfilled. we will remember the victims and offer prayers for them. i pray that you all may rest in peace. japanese -- could hardly take anything with them. about 20,000 are believed to still be buried in north korea. some japanese families want to visit the site and repatriate the remains of their relatives. yashushi is 80 now, he and his family returned to japan from north korea when the soviets invaded. caramula was 13 years old. his father was drafted into the imperial army and was never seen again. >> malnutrition killed his sister when she was 1. >> i vividly remember my sister being incredibly hungry, he was starving, for 67 years she's been buried in north korea, during the severe cold, no one comes to visit her, she must have been weeping all these years. >> reporter: masaki visited four sites that would have japanese remains. he and the other members are hoping that the survey leads to the repatriation of remains. >> translator: ther